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Geyser1977-09-21
Colloidal Pool 1200
Little Whirligig0810
Valentine1740
Values for Old Faithful Area1977-09-21
Astronomical Twilight Begin05:31
Nautical Twilight Begin06:06
Civil Twilight Begin06:40
Sunrise07:09
Sunset19:23
Civil Twilight End19:52
Nautical Twilight End20:26
Astronomical Twilight End21:01
Moon Illumination61.24%

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